Table 2.
Demographics and other sample characteristics
| n=2159 | % | |
|---|---|---|
| Mean age | 55 years (SD 12) | |
| Range | 28–91 years | |
| Gender | ||
| Male | 1460 | 67.6 |
| Female | 659 | 30.5 |
| Missing | 40 | 1.9 |
| Ethnicity | ||
| Hispanic or Latino origin | 74 | 3.4 |
| Not Hispanic or Latino | 2017 | 93.4 |
| Missing | 68 | 3.1 |
| Race | ||
| White | 1784 | 82.6 |
| African–American | 55 | 2.5 |
| Asian | 228 | 10.6 |
| Native Hawaiian/other Pacific islander | 12 | 0.6 |
| American Indian | 3 | 0.1 |
| Multiple races | 0 | 0.0 |
| Missing | 77 | 3.6 |
| Practice type | ||
| Solo practice | 433 | 19.7 |
| Single speciality group | 1141 | 52.8 |
| Multi-speciality group | 495 | 22.6 |
| Did not respond | 90 | 4.2 |
| How does your main practice site store patient information | ||
| Paper medical records/charts stored in cabinets | 771 | 35.7 |
| Both—paper and computerised | 621 | 28.8 |
| Electronic health record | 582 | 27.0 |
| Computerised system which stores scanned copies of paper records (DIMS) | 94 | 4.4 |
| Other | 48 | 2.2 |
| Multiple storage methods | 30 | 1.4 |
| Missing | 13 | 0.6 |
| Percentage of patient revenue, Medicare | ||
| None | 95 | 4.4 |
| Less than 30 | 563 | 26.1 |
| More than 30 | 932 | 43.2 |
| Missing | 569 | 26.4 |
| Percentage of patient revenue, Medicaid | ||
| None | 138 | 6.4 |
| Less than 30 | 1031 | 47.7 |
| More than 30 | 390 | 18.1 |
| Missing | 600 | 27.8 |
| Percentage of patient revenue, private insurance | ||
| None | 14 | 0.6 |
| Less than 30 | 358 | 16.6 |
| More than 30 | 1437 | 66.6 |
| Missing | 350 | 16.2 |
| Percentage of patient revenue, patient payments | ||
| None | 23 | 1.1 |
| Less than 30 | 1204 | 55.8 |
| More than 30 | 146 | 6.8 |
| Missing | 786 | 36.4 |
| Percentage of patient revenue, other | ||
| None | 36 | 1.7 |
| Less than 30 | 151 | 7.0 |
| More than 30 | 82 | 3.8 |
| Missing | 1890 | 87.5 |
| Preferred method of survey administration | ||
| Web-based | 855 | 39.6 |
| Regular mail | 1198 | 55.5 |
| Telephone interview | 21 | 1.0 |
| In-person interview | 12 | 0.6 |
| Multiple | 16 | 0.7 |
| Missing | 57 | 2.6 |
DIMS, data information management system.